Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

Cyanobacteria—ancient microbes that oxygenated Earth and made complex life possible—are still revealing surprises billions of ...

How did the earliest life on Earth build complex biological machinery with so few tools? A new study explores how the ...

A team of scientists has identified a new physical mechanism that could help explain one of the most persistent mysteries in ...

A study reconstructs the chemical composition of key molecules in stars by analyzing their infrared fingerprints.